Ultra Racing BMW 1 Series (E81/E87) Rear Lower Brace URRL4-1125 Z4 6% lower IAT over the

6% lower IAT over the stock intercooler on a Stage 1 car

0" Double Wall

2mm bore pipework and fits from the turbo to the centre section replacing the standard downpipe and GPF filter

0 BiTDi (15-ON)SWB/LWD 2WD

Ultra Racing BMW 1 Series (E81/E87) Rear Lower Brace URRL4-1125 Z4 6% lower IAT over theMounting points 4 Uses original nuts bolts for mounting unless supplied Technical info: BEFORE : On uneven bumpy road, center section chassis will have different level of body flex cause by the weight transfer between front and rear. AFTER : Ultra Racings side lower bar will stabilize the weight transfer between front and rear, it can also minimize the damage from side impact.